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The role of inputs of marine wrack and carrion in sandy-beach ecosystems: a global review
Biol Rev Camb Philos Soc. 2022 Aug 11. doi: 10.1111/brv.12886. Online ahead of print.ABSTRACTSandy beaches are iconic interfaces that functionally link the ocean with the land via the flow of organic matter from the sea. These cross-ecosystem fluxes often comprise uprooted seagrass and dislodged macroalgae that can form substantial accumulations of detritus, termed 'wrack', on sandy beaches. In addition, the tissue of the carcasses of marine animals that regularly wash up on beaches form a rich food source ('carrion') for a diversity of scavenging animals. Here, we provide a global review of how wrack and carrion provide s...
Source: Biological Reviews of the Cambridge Philosophical Society - August 11, 2022 Category: Biology Authors: Glenn A Hyndes Emma L Berdan Cristian Duarte Jenifer E Dugan Kyle A Emery Peter A Hamb äck Christopher J Henderson David M Hubbard Mariano Lastra Miguel A Mateo Andrew Olds Thomas A Schlacher Source Type: research

In silico analysis and preclinical findings uncover potential targets of anti-cervical carcinoma and COVID-19 in laminarin, a promising nutraceutical
Until today, the coronavirus disease 2019 (COVID-19) pandemic has caused 6,043,094 deaths worldwide, and most of the mortality cases have been related to patients with long-term diseases, especially cancer. Autophagy is a cellular process for material degradation. Recently, studies demonstrated the association of autophagy with cancer development and immune disorder, suggesting autophagy as a possible target for cancer and immune therapy. Laminarin is a polysaccharide commonly found in brown algae and has been reported to have pharmaceutic roles in treating human diseases, including cancers. In the present report, we appli...
Source: Frontiers in Pharmacology - August 9, 2022 Category: Drugs & Pharmacology Source Type: research

Multitasking smart hydrogels based on the combination of alginate and poly(3,4-ethylenedioxythiophene) properties: A review
Int J Biol Macromol. 2022 Aug 4:S0141-8130(22)01701-9. doi: 10.1016/j.ijbiomac.2022.08.008. Online ahead of print.ABSTRACTPoly(3,4-ethylenedioxythiophene) (PEDOT), a very stable and biocompatible conducting polymer, and alginate (Alg), a natural water-soluble polysaccharide mainly found in the cell wall of various species of brown algae, exhibit very different but at the same complementary properties. In the last few years, the remarkable capacity of Alg to form hydrogels and the electro-responsive properties of PEDOT have been combined to form not only layered composites (PEDOT-Alg) but also interpenetrated multi-responsi...
Source: International Journal of Biological Macromolecules - August 7, 2022 Category: Biochemistry Authors: Jos é García-Torres Samuele Colombi Lorena P Macor Carlos Alem án Source Type: research

Magnetic biochar derived from macroalgal Sargassum hemiphyllum for highly efficient adsorption of Cu(II): influencing factors and reusability
In this study, the brown algae Sargassum Hemiphyllum was used as a carbon source for synthesis of magnetic porous biochar via pyrolyzing at high temperature and and doping iron oxide particles (Fe-BAB). Cu (II) species were removed from aqueous solutions using Fe-BAB under various conditions. Fe-BAB demonstrated superior Cu (II) adsorption (105.3 mg g-1) compared to other biochars. On the surface of Fe-BAB, there are several oxygen-containing functional groups, such as -COOH and -OH, which are likely responsible for the excellent heavy metal removal performance. By utilizing magnet, the Fe-BAB can be conveniently separated...
Source: Bioresource Technology - August 7, 2022 Category: Biotechnology Authors: Quoc-Minh Truong Phung-Ngoc-Thao Ho Thanh-Binh Nguyen Wei-Hsin Chen Xuan-Thanh Bui Anil Kumar Patel Reeta Rani Singhania Chiu-Wen Chen Cheng-Di Dong Source Type: research

Kelp carbon sink potential decreases with warming due to accelerating decomposition
by Karen Filbee-Dexter, Colette J. Feehan, Dan A. Smale, Kira A. Krumhansl, Skye Augustine, Florian de Bettignies, Michael T. Burrows, Jarrett E. K. Byrnes, Jillian Campbell, Dominique Davoult, Kenneth H. Dunton, Jo ão N. Franco, Ignacio Garrido, Sean P. Grace, Kasper Hancke, Ladd E. Johnson, Brenda Konar, Pippa J. Moore, Kjell Magnus Norderhaug, Alasdair O’Dell, Morten F. Pedersen, Anne K. Salomon, Isabel Sousa-Pinto, Scott Tiegs, Dara Yiu, Thomas Wernberg Cycling of organic carbon in the ocean has the potential to mitigate or exacerbate global climate change, but major questions remain about the environmental control...
Source: PLoS Biology: Archived Table of Contents - August 4, 2022 Category: Biology Authors: Karen Filbee-Dexter Source Type: research

Effects of acute temperature change on California moray prey manipulation and transport behavior
We examined prey manipulation and transport behaviors at four temperature treatments that simulated the range of environmental temperatures morays encounter in the wild. We hypothesized that higher temperatures will increase the prevalence, duration, and rate of whole body prey manipulation behaviors and decrease the duration of prey transport time. Previous temperature studies focused on fishes occupying intermediate trophic levels. Therefore, understanding how acute temperature affects feeding behavior of the California moray eel, an abundant predatory fish, is especially important, as changes in environmental temperatur...
Source: Zoology - July 29, 2022 Category: Zoology Authors: Wave I Moretto Allegra K Stahl Rita S Mehta Source Type: research